Methods and wireless network for signalling activation and deactivation indication of cell-dtx/cell-drx configurations for nes

Abstract

The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method for handling network energy saving (NES) in a wireless network is provided. The method includes receiving, by a user equipment (UE) a radio resource control (RRC) reconfiguration message from a network entity, wherein the RRC reconfiguration message includes at least one of a cell discontinuous reception (Cell-DRX) configuration and a cell discontinuous transmission (Cell-DTX) configuration for at least one serving cell, performing at least one of an activation and deactivation for at least one of the Cell-DRX configuration and the Cell-DTX configuration by at least one of the RRC reconfiguration message and a downlink control information (DCI) termed as DCI X, and handling the NES in the wireless network upon performing at least one of the activation and deactivation for at least one of the Cell-DRX configuration and the Cell-DTX configuration.

What is claimed is: 
     
         1 . A method performed by a terminal in a wireless communication system, the method comprising:
 receiving, from a base station, a radio resource control (RRC) message including information on a radio network temporary identity (RNTI) for network energy saving (NES) associated with discontinuous transmission (DTX)/discontinuous reception (DRX), and configuration information for least one serving cell, wherein the configuration information includes a DTX/DRX configuration for a corresponding serving cell among the at least one serving cell;   receiving, from the base station, downlink control information (DCI) scrambled with the RNTI for the NES, the DCI including a DTX/DRX indication for the corresponding serving cell; and   performing an activation or a deactivation for the DTX/DRX configuration of the corresponding serving cell, based on the DTX/DRX indication.   
     
     
         2 . The method of  claim 1 ,
 wherein the RRC message further includes information on a size of the DCI, and   wherein information bits for the DCI are identified based on the information on the size of the DCI.   
     
     
         3 . The method of  claim 1 ,
 wherein the configuration information further includes information on a position of a bit field for the DTX/DRX indication in the DCI,   wherein the DTX/DRX indication is identified based on the information on the position of the bit field, and   wherein a value of 0 for the bit field indicates the deactivation and a value of 1 for the bit field indicates the activation.   
     
     
         4 . The method of  claim 1 ,
 wherein the RRC message further includes information indicating that the activation or the deactivation is to be monitored by an L1 signaling of the corresponding serving cell, and   wherein one of a DTX operation, a DRX operation or both the DTX operation and the DRX operation is activated or deactivated based on the DTX/DRX configuration.   
     
     
         5 . The method of  claim 1 , further comprising:
 receiving, from the base station, information on a common search space for the DCI,   wherein the activation or the deactivation for the DTX/DRX configuration is applied, after a pre-configured number of slots from a reception of the DCI.   
     
     
         6 . A method performed by a base station in a wireless communication system, the method comprising:
 transmitting, to a terminal, a radio resource control (RRC) message including information on a radio network temporary identity (RNTI) for network energy saving (NES) associated with discontinuous transmission (DTX)/discontinuous reception (DRX), and configuration information for least one serving cell, wherein the configuration information includes a DTX/DRX configuration for a corresponding serving cell among the at least one serving cell; and   transmitting, to the terminal, downlink control information (DCI) scrambled with the RNTI for the NES, the DCI including a DTX/DRX indication for the corresponding serving cell,   wherein an activation or a deactivation for the DTX/DRX configuration of the corresponding serving cell is performed in the terminal, based on the DTX/DRX indication.   
     
     
         7 . The method of  claim 6 ,
 wherein the RRC message further includes information on a size of the DCI, and   wherein information bits for the DCI are based on the information on the size of the DCI.   
     
     
         8 . The method of  claim 6 ,
 wherein the configuration information further includes information on a position of a bit field for the DTX/DRX indication in the DCI, and   wherein a value of 0 for the bit field indicates the deactivation and a value of 1 for the bit field indicates the activation.   
     
     
         9 . The method of  claim 6 ,
 wherein the RRC message further includes information indicating that the activation or the deactivation is to be monitored by an L1 signaling of the corresponding serving cell, and   wherein one of a DTX operation, a DRX operation or both the DTX operation and the DRX operation is activated or deactivated based on the DTX/DRX configuration.   
     
     
         10 . The method of  claim 6 , further comprising:
 transmitting, to the terminal, information on a common search space for the DCI,   wherein the activation or the deactivation for the DTX/DRX configuration is applied in the terminal, after a pre-configured number of slots from a reception of the DCI.   
     
     
         11 . A terminal in a wireless communication system, the terminal comprising:
 a transceiver; and   a controller configured to:
 control the transceiver to receive, from a base station, a radio resource control (RRC) message including information on a radio network temporary identity (RNTI) for network energy saving (NES) associated with discontinuous transmission (DTX)/discontinuous reception (DRX), and configuration information for least one serving cell, wherein the configuration information includes a DTX/DRX configuration for a corresponding serving cell among the at least one serving cell, 
 control the transceiver to receive, from the base station, downlink control information (DCI) scrambled with the RNTI for the NES, the DCI including a DTX/DRX indication for the corresponding serving cell, and 
 perform an activation or a deactivation for the DTX/DRX configuration of the corresponding serving cell, based on the DTX/DRX indication. 
   
     
     
         12 . The terminal of  claim 11 ,
 wherein the RRC message further includes information on a size of the DCI, and   wherein information bits for the DCI are identified based on the information on the size of the DCI.   
     
     
         13 . The terminal of  claim 11 ,
 wherein the configuration information further includes information on a position of a bit field for the DTX/DRX indication in the DCI,   wherein the controller is further configured to identify the DTX/DRX indication based on the information on the position of the bit field, and   wherein a value of 0 for the bit field indicates the deactivation and a value of 1 for the bit field indicates the activation.   
     
     
         14 . The terminal of  claim 11 ,
 wherein the RRC message further includes information indicating that the activation or the deactivation is to be monitored by an L1 signaling of the corresponding serving cell, and   wherein one of a DTX operation, a DRX operation or both the DTX operation and the DRX operation is activated or deactivated based on the DTX/DRX configuration.   
     
     
         15 . The terminal of  claim 11 ,
 wherein the controller is further configured to control the transceiver to receive, from the base station, information on a common search space for the DCI, and   wherein the activation or the deactivation for the DTX/DRX configuration is applied, after a pre-configured number of slots from a reception of the DCI.   
     
     
         16 . A base station in a wireless communication system, the base station comprising:
 a transceiver; and   a controller configured to:
 control the transceiver to transmit, to a terminal, a radio resource control (RRC) message including information on a radio network temporary identity (RNTI) for network energy saving (NES) associated with discontinuous transmission (DTX)/discontinuous reception (DRX), and configuration information for least one serving cell, wherein the configuration information includes a DTX/DRX configuration for a corresponding serving cell among the at least one serving cell, and 
 control the transceiver to transmit, to the terminal, downlink control information (DCI) scrambled with the RNTI for the NES, the DCI including a DTX/DRX indication for the corresponding serving cell, 
   wherein an activation or a deactivation for the DTX/DRX configuration of the corresponding serving cell is performed in the terminal, based on the DTX/DRX indication.   
     
     
         17 . The base station of  claim 16 ,
 wherein the RRC message further includes information on a size of the DCI, and   wherein information bits for the DCI are based on the information on the size of the DCI.   
     
     
         18 . The base station of  claim 16 ,
 wherein the configuration information further includes information on a position of a bit field for the DTX/DRX indication in the DCI, and   wherein a value of 0 for the bit field indicates the deactivation and a value of 1 for the bit field indicates the activation.   
     
     
         19 . The base station of  claim 16 ,
 wherein the RRC message further includes information indicating that the activation or the deactivation is to be monitored by an L1 signaling of the corresponding serving cell, and   wherein one of a DTX operation, a DRX operation or both the DTX operation and the DRX operation is activated or deactivated based on the DTX/DRX configuration.   
     
     
         20 . The base station of  claim 16 ,
 wherein the controller is further configured to control the transceiver to transmit, to the terminal, information on a common search space for the DCI, and   wherein the activation or the deactivation for the DTX/DRX configuration is applied in the terminal, after a pre-configured number of slots from a reception of the DCI.